red light

noun

Definition of red lightnext
as in warning
something that tells of approaching danger or risk the reporter took her glower as a red light and stopped asking questions

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for red light
  1. warning
  2. red flag
  3. sign
Noun
  • Less than an hour after the first warning that a wildfire was headed for her suburban street, Boulder County resident Tawnya Somauroo's home was in ashes.
    — LINDSAY WHITEHURST, Arkansas Online, 4 Oct. 2026
  • Crash reported on eastbound I-70 A traffic warning has been issued after a crash on I-70 between U P RR Service Road/Exit 421 and I-670/I-70.
    — Kansas City Star Bot, Kansas City Star, 3 Oct. 2026
Definition of warning
Noun
  • Plus, Swifties saw Swift and Alwyn’s refusal to make joint public appearances as a red flag.
    — Lizzie Lanuza, StyleCaster, 7 Oct. 2026
  • DraftKings told Pearson that if a customer’s behavior raises too many red flags, the company will proactively close an account.
    — ProPublica, ProPublica, 6 Oct. 2026
Definition of red flag
Noun
  • Russia invaded its neighbor more than 4 ½ years ago, and there are no concrete signs that a peace settlement might be possible.
    — HANNA ARHIROVA, Arkansas Online, 3 Oct. 2026
  • Those addresses can help with account sign-ups and management.
    — Kurt Knutsson, FOXNews.com, 3 Oct. 2026
Definition of sign
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

redivisions
red light
red lights
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Cite this Entry

“Red light.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/red%20light. Accessed 9 Oct. 2026.

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